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Important Announcements for Upcoming Exams and Lectures

Attention students! Important announcements concerning exam schedules and lectures: Exam #1 is tonight from 7:00 to 8:30 PM in room 114 David Kinley Hall – don't forget your ID. There will also be a Conflict Exam from 5:00 to 6:30 PM in room 140 Burrill Hall, with ID required. There will be no lab this week; however, we will have a lecture on Thursday covering Chapter 6. Exam scores will be posted late Wednesday evening, and you'll receive your graded exams back during Friday's discussion section.

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Important Announcements for Upcoming Exams and Lectures

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  1. Announcements • Exam #1: Tonight!, 7:00-8:30pm, 114 David Kinley Hall (DKH), bring ID • Conflict Exam: 5:00-6:30pm, 140 Burrill Hall, bring ID • No Lab this week • Lecture on Thursday (Read Chapter 6) • Exam scores posted late Wednesday evening. Get graded exams back in Discussion section on Friday.

  2. Fall 2011 Exam 1. d 9. b 16. a) i) COMP, PS 2. b 10. c ii) ELMT, PS 3. d 11. b iii) HOMOGENEOUS 4. a 12. c b) 4P: separate P atoms 5. a 13. e P4: bonded together 6. e 14. d c) sulfur 7. a 15. e 17. a) same 8. c b) I and III c) III d) P(Ar) = 4.21 atm P(Ne) = 3.37 atm P(TOT) = 7.58 atm

  3. Fall 2012 Exam 1. d 9. e 16. a) false 2. b 10. d b) (iii) 114 mL 3. c 11. e c) (i) C7H6O3 4. e 12. b (ii) the same 5. a 13. b 17. a) 248 g 6. c 14. a 7.41 x 1025 7. a 15. d c) 1490 8. c 16. b) (i) and (ii) are on next slide. 17. b) and d) are on next slide.

  4. Fall 2012 Exam Cont’d 16. b) (i) (ii) 17. b) The pressure inside the tank is greater than the pressure outside the tank (1.00 atm), therefore when the tank is turned on, the hydrogen gas flows out because it’s hitting the walls of the container more frequently and more moles of gas will escape into the balloon. d) About the same because the balloon is neither expanding nor contracting, thus the pressures must be about equal (due to the number of collisions or force of impact).

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